Add MySQL protocol layer

[seladb]

This PR adds a new MySQL Protocol to PcapPlusPlus, enabling parsing of MySQL network traffic. This is the protocol used by MySQL clients and servers to communicate over TCP.

This PR only parses the MySQL messages. Creating of messages might be done in the future.

[codecov]

Codecov Report

❌ Patch coverage is 98.83721% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.10%. Comparing base (718ae23) to head (5190a31).
⚠️ Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
Packet++/src/MySqlLayer.cpp	97.92%	6 Missing ⚠️
Packet++/header/MySqlLayer.h	96.72%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #2103      +/-   ##
==========================================
+ Coverage   83.93%   84.10%   +0.17%     
==========================================
  Files         316      319       +3     
  Lines       57024    57712     +688     
  Branches    11790    12182     +392     
==========================================
+ Hits        47863    48541     +678     
+ Misses       8006     7976      -30     
- Partials     1155     1195      +40     

Flag	Coverage Δ
alpine320	76.82% <94.93%> (+0.18%)	⬆️
fedora42	76.39% <95.70%> (+0.18%)	⬆️
macos-14	82.18% <95.88%> (+0.15%)	⬆️
macos-15	82.17% <95.88%> (+0.15%)	⬆️
mingw32	70.97% <89.68%> (+0.22%)	⬆️
mingw64	70.87% <89.68%> (+0.24%)	⬆️
npcap	85.60% <97.45%> (+0.13%)	⬆️
rhel94	76.19% <94.92%> (+0.15%)	⬆️
ubuntu2004	59.87% <72.08%> (+0.10%)	⬆️
ubuntu2004-zstd	59.97% <72.08%> (+0.12%)	⬆️
ubuntu2204	76.23% <94.92%> (+0.21%)	⬆️
ubuntu2204-icpx	59.17% <66.92%> (+0.06%)	⬆️
ubuntu2404	76.48% <94.93%> (+0.15%)	⬆️
ubuntu2404-arm64	76.50% <94.90%> (+0.15%)	⬆️
unittest	84.10% <98.83%> (+0.17%)	⬆️
windows-2022	85.60% <97.45%> (+0.13%)	⬆️
windows-2025	85.62% <97.45%> (+0.13%)	⬆️
winpcap	85.83% <97.45%> (+0.14%)	⬆️
xdp	53.10% <94.92%> (+0.39%)	⬆️

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